14438217 has 4 divisors (see below), whose sum is σ = 19250960. Its totient is φ = 9625476.

The previous prime is 14438213. The next prime is 14438243. The reversal of 14438217 is 71283441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14438217 - 2² = 14438213 is a prime.

It is a super-2 number, since 2×14438217² = 416924220278178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14438213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406367 + ... + 2406372.

It is an arithmetic number, because the mean of its divisors is an integer number (4812740).

Almost surely, 2^14438217 is an apocalyptic number.

It is an amenable number.

14438217 is a deficient number, since it is larger than the sum of its proper divisors (4812743).

14438217 is an equidigital number, since it uses as much as digits as its factorization.

14438217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812742.

The product of its digits is 5376, while the sum is 30.

The square root of 14438217 is about 3799.7653874943. The cubic root of 14438217 is about 243.5031151790.

The spelling of 14438217 in words is "fourteen million, four hundred thirty-eight thousand, two hundred seventeen".